What is the proton (atomic) number of an element that has four unpaired electrons in its ground state?
To have 4 unpaired electrons, the d-subshell (with 5 orbitals) should be filled. Filling the p-subshell can only give a maximum of 3 unpaired electrons.
645 MCQ for effective preparation of the test of Basics of Chemistry section.
Read the MCQ statement: What is the proton (atomic) number of an element that has four unpaired electrons in its ground state? , keenly and apply the method you have learn through the video lessons for Basics to give the answer. Record your answer and check its correct answer and video explanation for MCQ No. 93-2279.